4400Mah, Gold, Power Bank, Premium Aluminum Lithium Polymer Battery, Provides Multiple Charges For Your Electronic Devices, Extra Battery Life For 17 Hours Of Video & Web Browsing, Or 27 Hours Of Talk Time, LED Indicator Illuminates To Let You Know How Much Power Is Left, Works With All Models Of iPhone, iPods, Mp3 Players, & Smartphones Includes 10" Micro USB Charging Cable.